Home / 25,359.93-34,985.70-15,282.65

Finding the Fourth Proportional to 25,359.93, 34,985.70 and 15,282.65

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Solution

The fourth proportional to 25,359.93, 34,985.70 and 15,282.65 is: 21,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.93 : 34,985.70 = 15,282.65 : x
  2. Step 2: Convert to fraction form
    25,359.93/34,985.70 = 15,282.65/x
  3. Step 3: Cross multiply
    25,359.93x = 34,985.70 × 15,282.65
  4. Step 4: Simplify right side
    25,359.93x = 534,674,093.25
  5. Step 5: Solve for x
    x = 534,674,093.25/25,359.93
  6. Step 6: Final answer
    x = 21,083.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.